Malicious PDF — malware analysis report

Static analysis result for SHA-256 59f227df260df3d7…

MALICIOUS

PDF

47.0 KB Created: 2020-09-02 01:07:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 057f80c246e399a068947d56ad2b8494 SHA-1: fdd0f93717c43d533be662a8f277f76fcf659f3d SHA-256: 59f227df260df3d7fba18d34555523f38940d929e1472ca2a7ae73483efacdc7
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a link that redirects to malicious infrastructure, disguised as a free property inspection checklist template. The PDF also contains a link farm pointing to various PDF files, likely for SEO manipulation to increase visibility. The presence of a call-to-action button further supports the lure.

Heuristics 4

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.com/wix?keyword=free+property+inspection+checklist+templates
    • https://static.usrfiles.com/ugd/45fd81_9d92711da2ab4996aefa0d28c08fa664.pdf
    • https://static.usrfiles.com/ugd/6df952_3ce9523a6174429a9ff8f2a6fab90d5f.pdf
    • https://static.usrfiles.com/ugd/1b8612_ea234144b59d43f2a1ce5fa32ed72e7f.pdf
    • https://cdn.shopify.com/s/files/1/0430/1550/4029/files/kisopapumekozosid.pdf
    • https://cdn.shopify.com/s/files/1/0432/6447/5299/files/fap_titans_cheat.pdf
    • https://cdn.shopify.com/s/files/1/0431/9733/3664/files/subipunumusegozugokov.pdf
    • https://cdn.shopify.com/s/files/1/0433/8129/3221/files/93968845931.pdf
    • https://cdn.shopify.com/s/files/1/0432/0726/2370/files/7075826197.pdf
    • https://cdn.shopify.com/s/files/1/0435/3920/2197/files/speaking_ability_definition.pdf
    • https://cdn.shopify.com/s/files/1/0439/2108/0475/files/advanced_general_chemistry_notes.pdf
    • https://cdn.shopify.com/s/files/1/0437/5671/6183/files/13712736255.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006880.bin
8c3d56408b64ece11aeaf3f7a92f8cb677885ebd13f63dc42c78bc6e1ac032e9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6880 5084 bytes
font_01_sfnt_off00007995.bin
69606e940dd7f8bb600a7de6aae7f57b3f01a0ca5e78775b0360f86ff550e815		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7995 12180 bytes
font_02_sfnt_off0000a103.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA103 4324 bytes

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